Ruisseau· 4 segments
Østerå
Crosses 1 administrative regions : Aalborg
Total length
40km
Max discharge
1,7m³/s
Max Strahler
3
Segments matched
4
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- AalborgNordjylland · Denmark15.2 kmin this dpt
3 intersecting protected areas
Aalborg Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Aalborg Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Østerådalen
IUCN IVProtected by conservation order, excl. Church surroundings
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 674 distinct species · 29 520 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Østerå : 19 espèces reliées par 90 interactions GloBI sur 6 types (connectance 19.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
40km
Max discharge
1,7m³/s
Max Strahler
3
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.